<!DOCTYPE html>
<html lang="en" style="height: 100%">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body style="margin: 0;padding: 0; height: 100%;">

<div style="background-color: #2a85a0; width: 100%; height: 100%;  display: flex; align-items: center; justify-content: center">
    <span style="display: inline-block; font-size: 32pt">限时抢购</span>
</div>
</body>
</html>